871887288582 has 12 divisors (see below), whose sum is σ = 1889089125300. Its totient is φ = 290629096188.

The previous prime is 871887288557. The next prime is 871887288589. The reversal of 871887288582 is 285882788178.

871887288582 is a `hidden beast` number, since 8 + 7 + 18 + 8 + 7 + 28 + 8 + 582 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 871887288582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871887288589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24219091332 + ... + 24219091367.

It is an arithmetic number, because the mean of its divisors is an integer number (157424093775).

Almost surely, 2^871887288582 is an apocalyptic number.

871887288582 is an abundant number, since it is smaller than the sum of its proper divisors (1017201836718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871887288582 is a wasteful number, since it uses less digits than its factorization.

871887288582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48438182707 (or 48438182704 counting only the distinct ones).

The product of its digits is 256901120, while the sum is 72.

The spelling of 871887288582 in words is "eight hundred seventy-one billion, eight hundred eighty-seven million, two hundred eighty-eight thousand, five hundred eighty-two".